Group items matching

in title, tags, annotations or url

"Poligraft takes in a block of text, parses it for entities like politicians and corporations, and returns a result set representing the political influence contained in that text."

Freebase is an open, Creative Commons licensed repository of structured data of almost 22 million entities.

Open Knowledge Foundationin Bibliographica-projekti (http://bibliographica.org/): palvelu joka sisältää bibliografista metadataa avoimesti. Mukana ollut myös Edinburghin yliopiston IDEALab.